Question: What position did Ramsay MacDonald hold on June 5, 1929?
Paraphrase: Which was the position that Ramsay MacDonald held in 1929?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q166646 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1929')) }